2NTT
Crystal Structure of SEK
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Staphylococcal enterotoxin K | polymer | 217 | 25079.8 | 2 | UniProt (Q5HHK0) Pfam (PF01123) Pfam (PF02876) UniProt (by SIFTS) (Q93CC5) | Staphylococcus aureus subsp. aureus | |
| 2 | C, D, E, F, G... (A, B) | CHLORIDE ION | non-polymer | 35.5 | 13 | Chemie (CL) | |||
| 3 | J, K, L, M, N... (A, B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 10 | Chemie (EDO) | |||
| 4 | AA, Z (B, A) | water | water | 18.0 | 706 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 216 (UniProt: Q5HHK0)
| PDB | External Database | Details |
|---|---|---|
| Ser 73 | Cys 96 | conflict |
| Ala 217 | - | cloning artifact |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 50159.5 | |
| Non-Polymers* | Number of molecules | 23 |
| Total formula weight | 1081.6 | |
| All* | Total formula weight | 51241.1 |
